Ceramics Smart Ring Health Tracker,Sleep Tracking Wearable - Heart Rate - Fitness Tracker For Women/Men,Free Subscription,Scratch-Resistant And Scratc

24 /7 health and fitness tracking: sleep, activity, stress, heart health with less than 0.5% error.powered by Smart Sensing, which adapts to you - delivering accurate, continuous data, day and night.Say goodbye to the "Free Trial Trap" PulseMax III is permanently paired with the HealthWear App for free and instantly synchronizes with the HealthWear App (iOS/Android).Made of ceramic and epoxy resin composite material, PulseMax â ¢ smart ring is not only scratch and fade resistant, but also lightweight and shock-absorbing. The metal-free design says goodbye to allergy worries and keeps you comfortable even after long hours of wear.Family Health Guardian: share data with friends/family, set group fitness challenges, and get instant alerts on your loved one's vital signs (sleep, activity) for remote care.Wearing Guidelines: To ensure the most accurate measurements, make sure the sensor fits snugly on your finger. Also, remove the PulseMax â ¢ Smart Ring before touching slippery objects on your hand to prevent it from falling off.9# (18.9mm),11# (20.6mm),10# (19.8mm),7# (17.3mm),12# (21.4mm),8# (18.1mm)Silicone